radioactive isotope

collocation in English

meaningsofradioactiveandisotope

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withisotope.
radioactive
adjective
uk
/ˌreɪ.di.əʊˈæk.tɪv/
us
/ˌreɪ.di.oʊˈæk.tɪv/
having or producing powerful and dangerous energy that comes from the breaking up ...
See more atradioactive
isotope
noun[C]
uk
/ˈaɪ.sə.təʊp/
us
/ˈaɪ.sə.toʊp/
a form of an atom that has a different atomic weight from other forms of the same atom but the same ...
See more atisotope

(Definition ofradioactiveandisotopefrom theCambridge English Dictionary© Cambridge University Press)

Examplesofradioactive isotope

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Antibodies labeled with aradioactiveisotopecan also be used for in vivo diagnosis to identify or locate the sites of tissues and cell populations.
From theCambridge English Corpus
Propositions dealing with whether particular atoms of aradioactiveisotopewill degrade at a particular time in the future are also examples of presently contingent future propositions.
From theCambridge English Corpus
Radioactiveisotopeand high performance liquid chromatography form an integral part of the method.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Analysis of the stack samples confirmed that a release of theradioactiveisotopeiodine 131 had occurred.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Another hazard associated with the use of sodium as a coolant is the absorption of neutrons to generate theradioactiveisotope.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Ac (21.77 years) makes it very convenientradioactiveisotopein modeling the slow vertical mixing of oceanic waters.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Tritium is aradioactiveisotopeof hydrogen, which is nearly identical, chemically, to ordinary hydrogen.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Due to the extensiveradioactiveisotopecontamination, all three were buried in lead coffins.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
The source is typically theradioactiveisotopecesium-137, with a half-life of about 30 years.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Among elements with a known stable isotope, only tellurium and rhenium similarly occur with a stable isotope in lower abundance than the long-livedradioactiveisotope.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Tritium is an example of aradioactiveisotope.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Upon collision with a neutrino, a chlorine atom transforms into aradioactiveisotopeof argon, which can then be extracted and counted.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Theradioactiveisotopecaesium-137 has a half-life of about 30 years and is used in medical applications, industrial gauges, and hydrology.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
For example, aradioactiveisotopelutetium-176 is used in nuclear technology to determine the age of meteorites.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Cosmic rays colliding with the atmosphere mean that some of the carbon is theradioactiveisotopecarbon-14.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Stable andradioactiveisotopestudies provide insight into the geochemical evolution of rock units.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Fe is aradioactiveisotopeof iron with a nucleus containing 26 protons and 29 neutrons.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Potassium-40 is aradioactiveisotopeof potassium that decays into argon-40.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
C is aradioactiveisotopeof carbon that decays to boron-11.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Radioluminescent paints will glow without exposure to light until theradioactiveisotopehas decayed (or the phosphor degrades), which may be many years.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Want to learn more?
Go to the definition ofradioactive
Go to the definition ofisotope
See other collocations withisotope